Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is the probability that four or fewer customers will enter the restaurant in a 9 minutes period? None of these O 0.1512 0.2851 O 0.0620

Q: What is the probability that 6 rolls of a fair die will show four exactly 2 ​times? Round to five…

A: We know that, For a die, Probability that four occur on a die = 1/6 = 0.16667

Q: What is the probability that a car can be assembled at this plant in less than 19.5 hours? O A.…

A:

Q: The Philippine Red Cross says that about 11% of PH population has Type B blood. A blood drive is…

A: Given:  The Philippine Red Cross says that about 11 % of PH population has Type B blood.  A blood…

Q: How many people need to attend a party for there to be a > 80% probability that at least two of them…

A: Given information: The probability that at least two of the people share the same birthday is 0.8.

Q: Suppose that past records indicate that the probability is 0.04 that a new car will need repair in…

A: Let X be the number of cars out of 500 that will require repair within the first 90 days. Since all…

Q: 67% of American adults eat at a table-service restaurant at least once a week. Suppose that 7…

A:

Q: A survey determines that six out of every ten Niceville residents shop at Walmart. In a group of 10…

A: Given data, n=10 x=6 p=x/n =0.60 P(X>=8)=?

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A:

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A: Ffgg

Q: A store owner complains that, on the average, 2 bottles per case of a certain brand of  softdrink…

A:

Q: According to one source, 1 in 7 Americans struggled with hunger in a recent year. Two Americans are…

A: Given data  P(struggle with hunger) = p =1/7 Select two at random .

Q: In a certain state, it has been shown that only 62% of the high school graduates who are capable of…

A: Let us denote X=the number of high school graduates who are capable of college work actually enroll…

Q: Seventy-four percent of the light aircraft that disappear while in flight in a certain country are…

A: Basics:

Q: Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is…

A:

Q: Truckers from a certain company receive surprise drug tests at completely unpredictable times, but…

A:

Q: Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is…

A: Using poisson distribution Find p( x<=4)=?

Q: Seventy-five percent of the light aircraft that disappear while in flight in a certain country are…

A: Given   Seventy-five percent of the light aircrat 69% have an emergency locator  81% of the…

Q: In a certain college, 33% of the math majors belong to foreign student. If 10 students are selected…

A:

Q: Since the stock market began in 1872, stock prices have risen in about 72% of the years. Assuming…

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Q: The NAR estimates that 23% of all homes purchased in 2004 were considered investment properties. If…

A:

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A: This is a case of binomial probability. The formula for binomial probability is shown as follows: ,…

Q: Assuming that it is true that 2 in 10 industrial accidents are due to fatigue, find the probability…

A: Let p be the probability that a accident is due to fatigue. Given that p = 2/10 = 0.2 Let X denotes…

Q: v showed that 59% of Internet users are somewhat concerned about the confidentiality of their…

A: Note: Hey, since there are multiple subparts posted, we will answer first three subparts. If you…

Q: Seventy-seven percent of the light aircraft that disappear while in flight in a certain country are…

A: It is given that 77% of the light aircraft disappear while in flight in a certain country are…

Q: A manufacturer of metal pistons finds that on the average, 10% of his pistons are rejected because…

A:

Q: The manager of a restaurant claims that only 3% of the customers are dissatisfied with the service.…

A: Let X be the number of persons dissatisfied. The sample size is n=25. The proportion of customers…

Q: A survey determines that six out of every ten Niceville residents shop at Walmart. In a group of 15…

A: p = 6/10 = 0.6 q= 1-p = 1-0.6 = 0.4 n =15 r ≥13

Q: Assuming that P(green) = 0.75, what is the probability that among his 580 plants that the number of…

A: Given that , P(green) = 0.75  Total number of plants = 580  Let, X be the number of pees with green…

Q: ee percent of the light aircraft that disappear while in flight in a certain country are…

A: Define the following events:   A: a aircraft is discovered: B : a aircraft is not discovered   E: a…

Q: In a certain classroom at Cal State LA, 63% of the students get less than the recommended amount of…

A: Given data, p=63%=0.63 If n=8 P(X=3)=?

Q: A newly formed life insurance company has underwritten term policies on 120 women between the ages…

A: It is asked to find the probability that at least $150,000 claims should be paid. Each claim is…

Q: For one adult chosen at random, compute the probability that: (i) he reads none of the papers

A:

Q: A poll showed that among potential voters, 36% support Candidate A in the upcoming election, 36%…

A: Q1. Given, P(A) = 0.36 , P(B) = 0.36 , P(C) = 0.28 C = Undecided…

Q: A ball is drawn from the fırst box and transferred unseen to the second box. If a ball is now drawn…

A: Here use tree diagram

Q: Suppose that a fast food restaurant can expect two customers every 3 minutes, on average. What is…

A: Probability distributions are of 2 types, discrete and continuous. Poisson distribution is a…

Q: In​ February, a major airline had 77.7​% of their flights arrive on time. Assume that the event that…

A: Given that: In​ February, a major airline had 77.7​% of their flights arrive on time. Assumption:…

Q: A study conducted at a certain college shows that 56% of the school's graduates find a job in their…

A: It is given that a 56% of a certain college's students get jobs within first year after graduation…

Q: 3. A professor of a law school observe that 25% of students who get admitted to the freshman class…

A: Given that a professor of a law school observe that 25% of students who get admitted to the freshman…

Q: 5. The mayor of a small municipality estimates that 45% of the residents favour the constructionof a…

A: We have  to find mean  nq and sigma.....

Q: A farmer has planted 11 new lemon trees of a special breed where the probability that the tree will…

A: Obtain the probability that less than 3 trees remain without fruits by the end of the upcoming…

Q: How many people need to attend a party for there to be a > 80% probability that at least two of them…

A: Given information: The probability that at least two of the people share the same birthday is 0.8.

Q: 2. Wanda receives on average 8 messages from Vision in a 3 hour period. What is the probability that…

A: Given on average 8 messages from vision in a 3 hours periodλ=8 messages from vision in a 3 hours Let…

Q: Assume 35% of dogs are adopted from a shelter. In a random sample of 500 dogs, what is the…

A: np=500×0.35=175 >5 nq=500×0.65=325 >5 We can approximate the normal probability

Q: The Production manager of GTW Manufacturing Company inspected that out of 20 bags of biscuits, there…

A:

Q: Determine the probability for each of the following event. A non- defective bolt will be found if…

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Q: Seventy-seven percent of the light aircraft that disappear while in flight in a certain country are…

A: Given problem Given that   Seventy-seven percent of the light aircraft that disappear while in…

Q: Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a…

A: Given,n=12p=0.26Let X=no.of couples will have a destination weddingX~Binomial(n=12 ,…

Q: Assume that 26.6% of people have sleepwalked. Assume that in a random sample of 1517 ​adults, 418…

A: It is given that p is 0.266 and n is 1,517.

Q: A company that makes remote control aeroplanes believes that 6% of purchased planes are returned…

A:

Q: Suppose that 30% of RunningWithTheDevil’s female visitors previously visited LetsRun.com and 10% of…

A: Probability that a customer is a female is: PFemale=12=0.5 Probability that a customer is a male is:…